19140629 has 2 divisors, whose sum is σ = 19140630. Its totient is φ = 19140628.

The previous prime is 19140617. The next prime is 19140631. The reversal of 19140629 is 92604191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 4 = 4375^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 19140629 - 2⁴ = 19140613 is a prime.

Together with 19140631, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 19140595 and 19140604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19140679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9570314 + 9570315.

It is an arithmetic number, because the mean of its divisors is an integer number (9570315).

Almost surely, 2^19140629 is an apocalyptic number.

It is an amenable number.

19140629 is a deficient number, since it is larger than the sum of its proper divisors (1).

19140629 is an equidigital number, since it uses as much as digits as its factorization.

19140629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 19140629 is about 4375.0004571428. Note that the first 3 decimals coincide. The cubic root of 19140629 is about 267.4968887751.

The spelling of 19140629 in words is "nineteen million, one hundred forty thousand, six hundred twenty-nine".